Rule History

SID: 2022347 • Source: et/open

Versions (3)

Version DetailsCurrent

Rev: 5 • Jan 9, 2016, 12:00 PM

Message:

ET MALWARE Win32/Bulta DNS Lookup (yk.ftwxw.com)

Rule:

alert dns $HOME_NET any -> any any (msg:"ET MALWARE Win32/Bulta DNS Lookup (yk.ftwxw.com)"; dns_query; content:"yk.ftwxw.com"; depth:12; nocase; endswith; fast_pattern; reference:md5,5b9a9e363f46f09e7f40c5cde2c90361; classtype:trojan-activity; sid:2022347; rev:5; metadata:created_at 2016_01_09, malware_family Win32_Bulta, confidence Medium, signature_severity Major, updated_at 2019_09_28;)

Created:

Jan 9, 2016, 12:00 PM

Updated:

Sep 28, 2019, 12:00 PM

DB Created:

Sep 21, 2024, 3:00 AM

DB Updated:

May 30, 2025, 12:04 AM

Filename:

rules/emerging-malware.rules